Everyone should play a part in ___ (save) the earth.

Everyone should play a part in ___ (save) the earth. we should play a part in _____(save)the earth Everyone should ____(play)a part in saving the earth.填什么? ( ) 6.The earth is our home.We should play a part in _______ We should play a part in saving the earth改为一般疑问句 用所给词的适当形式填空 Everyone should play a part in （ In one word,we should do a lot to save the Earth. play a part in 与play the part in everyone should save the planet(同义句) You should save water to protect the Earth.对save 改反意疑问句We must save the Earth.We must save the Earth,___ ___? Everyone should make a contribution to ___ the environment A